El Golfo is one of the few and rare examples of hydro-volcanism - volcanic activity that occurs near the coast. In its interior, in the centre of the crater, has emerged La Laguna de los Ciclos, a lake of the most intense green - a colour that is produced by the concentration of the algae.

Las Salinas del Janubio is a place of scientific interest where not only the fauna is protected, but also the traditional method of extracting salt from the seawater. Before the eruptions of 1730-1736, it was the best natural harbour on Lanzarote, but the eruptions created a sand bar that closed this point forming a lake called La Caleta de Janubio.